Abstract
Carbon nanotubes (CNT) thin sheets known as buckypaper have been used as an alternative to particulate CNT filler in the fabrication of CNT/epoxy nanocomposites. The use of CNT buckypaper is on innovative process which converts the nanomaterials into an easy-to-handle form, making them ready to be incorporated into existing fabrication lines. The properties and qualities of the buckypapers produced are affected by the varieties in the fabrication methods implemented and the quality of the CNT. Very few studies have been recorded on the properties of CNT buckypaper with respect to the vacuum filter pressure together with filler loading. Hence, this research is aimed to investigate the combination effect of vacuum pressure and MWCNT loading during the vacuum filtration process. It was found that the vacuum pressure and MWCNT loading caused a significant effect on the porosity and surface roughness of buckypapers with low MWCNT loading. This subsequently influences the tensile properties and electrical conductivities of the epoxy-filled buckypaper composites.
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